Home / 198,599.38-274,004.12-123,191.62

Finding the Fourth Proportional to 198,599.38, 274,004.12 and 123,191.62

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Solution

The fourth proportional to 198,599.38, 274,004.12 and 123,191.62 is: 169,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,599.38 : 274,004.12 = 123,191.62 : x
  2. Step 2: Convert to fraction form
    198,599.38/274,004.12 = 123,191.62/x
  3. Step 3: Cross multiply
    198,599.38x = 274,004.12 × 123,191.62
  4. Step 4: Simplify right side
    198,599.38x = 33,755,011,429.47
  5. Step 5: Solve for x
    x = 33,755,011,429.47/198,599.38
  6. Step 6: Final answer
    x = 169,965.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.